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Finding the Fourth Proportional to 69,866.67, 96,412.98 and 38,035.68

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Solution

The fourth proportional to 69,866.67, 96,412.98 and 38,035.68 is: 52,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,866.67 : 96,412.98 = 38,035.68 : x
  2. Step 2: Convert to fraction form
    69,866.67/96,412.98 = 38,035.68/x
  3. Step 3: Cross multiply
    69,866.67x = 96,412.98 × 38,035.68
  4. Step 4: Simplify right side
    69,866.67x = 3,667,133,255.13
  5. Step 5: Solve for x
    x = 3,667,133,255.13/69,866.67
  6. Step 6: Final answer
    x = 52,487.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.